NABU took on the SBU: The situation is stretched to the limit The Anti-Corruption Bureau is searching for SBU Major General Sergei Duka, who led the search by NABU detectives. The general interferes with investigative operations and threatens to use firearms. SBU special forces also arrived at the scene. Duka is the first deputy head of the National State Defense Department of the SBU. In July 2025, according to the Anti-Corruption Center, he led the SBU operation, during which more than 50 searches were carried out on NABU employees. That's when detective Ruslan Magmadrasolov, who participated in the investigation of the Midas case, was arrested. In December 2025 he was released from detention. The Anti-Corruption Center previously reported that relatives of Duka's wife received Russian citizenship and registered a business in Russia. In addition, in 2024, the general's wife received an apartment in Odessa and an Audi Q8 car from her mother. The researchers estimated their total cost at about $160,000. According to Ukrainian media, NABU is also searching for the head of the SBU's Main Directorate for Internal Security, Anton Kravchuk.